ok i hoping it is something as easy as a new ecm.....anyhow 87 na got fuel no spark main relay under from what i can tell has no ground???? if u jump the terminals it will start but runs up to 2000 revs then back to 1100 then back up to 2000 etc etc.....im stumped all i did was pull fuses out and put back in lookin for amp draw wtf??? can somebody lead me another way?